EP0804327B1 - Procede et moule pour realiser par pulverisation une peau constituee d'au moins deux elastomeres et peau elastomere obtenue par ce procede - Google Patents

Procede et moule pour realiser par pulverisation une peau constituee d'au moins deux elastomeres et peau elastomere obtenue par ce procede Download PDF

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Publication number
EP0804327B1
EP0804327B1 EP19940915479 EP94915479A EP0804327B1 EP 0804327 B1 EP0804327 B1 EP 0804327B1 EP 19940915479 EP19940915479 EP 19940915479 EP 94915479 A EP94915479 A EP 94915479A EP 0804327 B1 EP0804327 B1 EP 0804327B1
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EP
European Patent Office
Prior art keywords
mask
edge
elastomeric
mould
mould surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19940915479
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German (de)
English (en)
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EP0804327A1 (fr
Inventor
Hugo De Winter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Recticel NV SA
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Recticel NV SA
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Filing date
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Application filed by Recticel NV SA filed Critical Recticel NV SA
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/22—Making multilayered or multicoloured articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/08—Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
    • B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
    • B29C37/0032—In-mould coating, e.g. by introducing the coating material into the mould after forming the article the coating being applied upon the mould surface before introducing the moulding compound, e.g. applying a gelcoat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B29L2031/3008—Instrument panels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/05—Spray
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/14—Layer or component removable to expose adhesive
    • Y10T428/149—Sectional layer removable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]

Definitions

  • the present invention relates to a method for manufacturing an elastomeric skin comprising surface portions of at least two elastomeric materials, in particular two differently coloured polyurethane materials, by spraying said elastomeric materials against a mould surface, in which method a portion of said surface is shielded off by means of a mask having at least one edge delimiting said portion, a layer of a first elastomeric material is sprayed onto said surface and onto said edge, said mask is removed, and a second elastomeric material is sprayed onto said portion of said mould surface.
  • An object of the present invention is to provide a new method for manufacturing an elastomeric skin of at least two elastomeric materials which allows to achieve an aesthetic visual parting line between the elastomeric materials, for example in order to produce dash-boards or other interior trim parts for the automotive industry in two or more different colours.
  • an elastomeric skin composed of at least two different elastomeric materials can be made first of all by means of a masking technique wherein the elastomeric materials are sprayed in a mould, a portion of which is shielded off by means of a mask.
  • a masking technique is disclosed for example in EP-A-0 392 186.
  • the mask is maintained at a distance from the mould surface and an air flow is created through the gap between the mask and the mould surface in order to achieve a clean parting line between the first applied elastomeric material and the elastomeric material applied after having removed the mask.
  • problems may however still arise with respect to obtaining an aesthetic visual parting line between the different elastomeric materials.
  • a second known method consists in manufacturing two independently coloured elastomeric skins which are subsequently adhered together involving however the same drawbacks as mentioned hereabove.
  • the present invention provides a method wherein use is made of the masking technique as indicated hereinabove and which is characterized in that said edge of the mask is placed on top of at least one upstanding edge on the mould surface delimiting together with said edge said portion of this mould surface and said first elastomeric material is sprayed onto one side of said upstanding edge.
  • the transition between the different elastomeric materials is achieved on the upstanding edge of the mould surface or, when seen from the outside of the elastomeric skin, in a recess of the skin.
  • the actual transition between the elastomeric materials is therefore hidden from view resulting in a nicely finished parting line between the different elastomeric materials and this in an industrially suited way.
  • the present invention also relates to spray mould assemblies for manufacturing an elastomeric skin comprising surface portions of at least two elastomeric materials as defined in the annexed claims 5 to 14. These spray mould assemblies permit more particularly to make elastomeric skins according to the method of the invention.
  • the present invention relates to an elastomeric skin as defined in claim 15 and which is in particular made by the method according to any one of the claims 1 to 4.
  • an elastomeric skin with surface portions of at least two elastomeric materials, in particular polyurethane elastomeric materials of different colours, is manufactured in a spray mould 1.
  • the different steps of this method are illustrated in Figure 1.
  • the spray mould 1 shown in Figure 1 defines a mould surface 2 having a portion 3 which can be shielded off or covered by means of a mask 4.
  • the mask 4 is removed from the mould surface 2 for example by means of a swingable arm 5 and, if necessary, a mould release agent may be sprayed onto the entire mould surface 2 by means of a first spray nozzle 6.
  • the mask 4 is placed over the portion 3 of the mould surface 2 and a layer of a first elastomeric material 7 is sprayed preferably after having returned the swingeable arm 5 to its initial position, by means of a second spray nozzle 8 onto the unmasked mould surface 2, delimited by cutting edges 18, and partially onto the mask 4.
  • a third step the mask 4 is removed from the mould surface 2 and a second elastomeric material 9 is sprayed by means of a nozzle 10 to the remaining portion 3 of the mould surface 2 and partially onto the layer of first elastomeric material 7.
  • Both elastomeric materials 7, 9 are usually applied in a layer of 0.1 to 5 mm, and preferably in a layer of 0.2 to 0.5 mm.
  • a further layer of plastic material, whether coloured or not, can be applied against the back of the first elastomeric materials to obtain a skin of the desired thickness and the thus produced skin can be demoulded.
  • This further layer may be a light-stable elastomeric layer like the first and second elastomeric materials or it may be a not light-stable elastomeric layer.
  • the density of this layer may even be reduced through the use of blowing agents and may consequently consist of a foam layer for example as disclosed in WO 93/23237.
  • This PCT patent application moreover discloses to apply further layers, such as rigid supports into the same mould 1 to manufacture an entire moulded piece therein. Of course, such a rigid support could also be applied afterwards.
  • edges 11 of the mask 4 delimiting the portion 3 of the mould surface 2 are preferably maintained at a distance from the mould surface 2 such as to avoid contact between the layer of first elastomeric material 7 sprayed onto the mould surface and the mask 4.
  • This can be achieved by means of the arm 5, and possibly through the intermediary of centring supports 12 engaging the mould surface preferably on less important portions of the skin which are to be covered later on or which are to be cut out. Due to the fact that in this preferred embodiment there is no contact between the elastomeric material sprayed onto the mould surface and the mask, the formation of elastomeric filaments upon removing the mask is avoided in a simple but efficient way.
  • the mask 4 is placed with its edges 11 on top of upstanding edges 13 on the mould surface 2, in particular at the parting line between the two elastomeric materials where this line remains visibly important.
  • upstanding edges 13 may be omitted or reduced.
  • the first elastomeric material 7 is sprayed onto one side thereof and partially onto the edges 11 of the mask 4, with a gap being preferably achieved between the elastomeric material 7 sprayed onto the upstanding edge 13 and the mask 4, as can be seen clearly in Figures 2 to 9, to avoid the above described problem of filament formation upon removal of the mask.
  • this gap is mainly achieved by the fact that the edge 11 of the mask 4 projects over the upstanding edge 13.
  • the distance between the edge 11 of the mask 4 and the mould surface 2, measured in the spray direction 14 of the spray beam next to the edge 11, comprises in particular 0.5 to 20 mm, and more particularly 1 to 6 mm.
  • the distance A over which the edge 11 projects over the upstanding edge 13 is usually smaller than the height H of the upstanding edge 13.
  • the edge 11 of the mask 4 does not always have to project over the upstanding edges 13, but a distance between the edge 11 of the mask 4 and the mould surface 2 could possibly also be obtained by an appropriate curvature of the mould surface 2, more particularly of the top of the upstanding edges 13.
  • this edge 11 preferably tapers off towards its free extremity and has a top surface forming an angle ⁇ of 0 to 89° with a plane parallel to the mould surface 2, more particularly an angle ⁇ of 10 to 60° and preferably an angler ⁇ of about 30°.
  • the top surfaces of the edges 11 of the mask 4 have to be cleaned.
  • the portion of the mask 4 to be cleaned is considerably reduced by the presence of an additional cutting edge 15 on the edges 11. In this way, the surface of the mask 4 behind the cutting edge 15 does not have to be cleaned very regularly but the layer of elastomeric material sprayed thereon can be easily torn off once in a while.
  • the mask 4 may consist of a generally flat surface covering the portion 3 of the mould surface 2.
  • the mask 4 may also consist of a plate placed in an upright position in particular onto the upstanding edges 13. This mask 4 does not necessarily have to be placed in line vertically on top of the upstanding edges 13, but could possibly be inclined, in particular away from the portion 3 of the mould surface 2 shielded off by the mask 4 as shown in Figure 8. This situation arises for example in the case of complex moulds, the mould surface of which is not horizontally while the mask is to be positioned in a vertical direction.
  • the bottom surface of the edges 11 of the mask 4 should be wide enough, depending on the inclination of this bottom surface.
  • This latter surface may form for example an angle ⁇ of 1 to 135° with an upright symmetry plane through the upstanding edges 13, more particularly an angle ⁇ of about 90°.
  • An example of an angle ⁇ different from 90° can be seen in Figure 6.
  • a downward flange 16 is provided on the bottom surface of the mask edges 11, along the upstanding edges 13, on the side of the portion 3 of the mould surface to be masked, for permitting to achieve an accurate positioning of the mask 4. Further, these downward flanges 16 help to prevent small spray particles, which may possibly be subjected to turbulences, from penetrating between the mask 4 and the upstanding edges 13, especially on places where the edges 11 of the mask 4 possibly do not fit accurately onto the upstanding edges 13 as shown in Figure 7. As shown in Figures 8 and 9, the flanges 16 do not necessarily have to be parallel to the upstanding edges 13 so that the mask 4 can be removed in other directions, especially in the case of complex moulds as mentioned hereinabove with reference to Figure 8.
  • the height H of the upstanding edges 13 can vary within wide limits but usually between 1 and 20 mm and more particularly between 2 and 8 mm. Preferably, this height H comprises 3 to 5 mm.
  • the width of the edges 13, measured at about half the height thereof, comprises usually at least 0.5 mm, more particularly 1 to 5 mm and preferably about 2 to 3 mm. This width, determining the corresponding width of the recess in the elastomeric skin, will have an important influence, just as the height of the upstanding edges, on the aesthetic appearance of the parting line between the different elastomeric materials or colours of the produced skin.
  • the top thereof is advantageously curved with a curvature radius R1 which is preferably equal to about half of their width.
  • This curvature radius comprises for example 1 mm.
  • Different possible shapes of the upstanding edges 13 are shown schematically in Figures 10 to 12, the upstanding edge shown in Figure 11 fitting more particularly well to the masks 4 shown in Figures 8 and 9.
  • These Figures 10 and 12 also show that the base of the upstanding edges 13 may be angular or curved according to a curvature radios R2 which may be different from the curvature radius R1 of the top of the upstanding edges 13.
  • the curvature radius R2 is generally comprised between 0 and H-R1 or even between 0 and H on the side of the masked portion 3. It will be clear that both the top and the base of the upstanding edges 13 may be curved irregularly.
  • EP-A-0379246 the light-stable polyurethane elastomeric materials disclosed in EP-A-0379246 of the present applicant, which is incorporated herein by way of reference.
  • EP-A-0303305 also in the name of the present applicant, with respect to the possible spray technique and spray nozzles for applying the different elastomeric layers. This EP-patent application is also incorporated herein by way of reference.
  • an elastomeric polyurethane skin for a dash-board was made in an open spray mould as shown in Figures 1 and 2.
  • the mould surface 2 was formed by a galvanoplate having a leather grain.
  • the upstanding edges 13 had a height H of 5 mm, a width B of 3 mm and a top curved according to a radius R1 of 1.5 mm.
  • the base of the raised edges 13 was curved also over a curvature radius R2 equal to 1.5 mm.
  • a release agent on the basis of silicone, wax and solvent was sprayed onto the entire mould surface 2. Subsequently, the mask 4 was placed on the edges 13 to cover portion 3 of the mould surface 2.
  • a first elastomeric material 7, in particular a polyol-isocyanate reaction mixture was sprayed on the uncovered mould surface and partially onto the mask 4, at a flow rate of 25 g/sec., the polyol component pressure being 150 bars and the pressure of the isocyanate component being 100 bars.
  • the mask 4 was removed and a second polyurethane reaction mixture 9, having the same composition as the first one, except for the presence of 5 parts of grey colour paste instead of black colour paste in the polyol component, was sprayed onto the remaining portion 3 of the mould surface 2 and partially onto the layer of first reaction mixture.
  • This second reaction mixture is preferably applied when the first one is still sticky to obtain a good adhesion between both layers.
  • both elastomeric materials were applied in a layer of about 0.4 mm.
  • a backing layer of a further elastomeric material 19 was sprayed against the back of the first and second elastomeric materials to obtain a total skin thickness of about 1 mm.
  • This backing layer 19 was achieved by means of a light-stable uncoloured polyurethane reaction mixture having the same composition as the first and the second polyurethane reaction mixture, the polyol component containing however no colour paste.
  • the thus produced skin was processed further to a dash-board by applying a polyurethane foam layer 20 against the back thereof and a rigid support 21.
  • the obtained two-colour skin had a nicely finished parting line between the differently coloured portions since the actual transition between the different materials in the recess 23 at this parting line, forming in fact a gradual transition zone 22, was well hidden from view. If desired, this recess can of course be filled up afterwards or be closed by pressing and/or gluing the sides thereof together.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Claims (15)

  1. Procédé de fabrication d'une peau élastomère présentant des parties de surface en au moins deux matières élastomères (7, 9) par pulvérisation des matières élastomères contre une surface de moulage (2), procédé dans lequel une partie (3) de la surface (2) est protégée au moyen d'un masque (4) présentant au moins un bord (11) délimitant ladite partie (3), une couche d'une première matière élastomère (7) est pulvérisée sur ladite surface (2) et sur ledit bord (11), le masque (4) est enlevé et une seconde matière élastomère (9) est pulvérisée sur ladite partie (3) de la surface de moulage, caractérisé en ce que ledit bord (11) du masque (4) est placé au sommet d'au moins une arête en saillie vers le haut (13) de la surface de moulage (2) qui délimite, conjointement audit bord (11), ladite partie (3) de cette surface de moulage (2) et en ce que la première matière élastomère (7) est pulvérisée sur un côté de ladite arête en saillie vers le haut (13).
  2. Procédé suivant la revendication 1, caractérisé en ce que des matières élastomères (7, 9) d'une couleur différente sont pulvérisées sur la surface de moulage (2).
  3. Procédé suivant l'une des revendications 1 et 2, caractérisé en ce que, lors de la pulvérisation de la première matière élastomère (7), le bord (11) du masque (4) est maintenu à une distance de la surface de moulage (2) qui est telle qu'on évite un contact entre la couche de la première matière élastomère (7) pulvérisée sur la surface de moulage (2) et le masque (4).
  4. Procédé suivant l'une quelconque des revendications 1 à 3, caractérisé en ce qu'une couche de doublure plastique (20) est appliquée contre le dos de ladite couche de matières élastomères (7, 9), en particulier par pulvérisation.
  5. Unité de moulage par pulvérisation pour fabriquer une peau élastomère présentant des parties de surface en au moins deux matières élastomères (7, 9), comprenant un moule (1), délimitant une surface de moulage (2), et au moins un masque destiné à protéger une partie (3) de la surface de moulage (2) et présentant au moins un bord (11) délimitant cette partie (3), caractérisée en ce que la surface de moulage (2) comprend au moins une arête en saillie vers le haut (13) délimitant, conjointement audit bord (11) du masque (4), ladite partie (3) de la surface de moulage (2), le bord (11) du masque (4) étant agencé pour être placé au sommet de cette arête en saillie vers le haut (13).
  6. Unité de moulage par pulvérisation suivant la revendication 5, caractérisée en ce que le bord (11) du masque (4) est agencé pour faire saillie au-delà de l'arête en saillie vers le haut (13) de la surface de moulage (2) lorsqu'il est placé au sommet de celle-ci, plus particulièrement sur une distance plus petite que la hauteur (H) de l'arête en saillie vers le haut (13).
  7. Unité de moulage par pulvérisation suivant l'une des revendications 5 et 6, caractérisée en ce que le bord (11) du masque (4) a une surface inférieure qui forme un angle (β) de 1 à 135° par rapport à un plan de symétrie vertical à travers l'arête en saillie vers le haut (13), plus particulièrement un angle (β) de 70 à 110° et de préférence un angle (β) d'environ 90° par rapport à ce plan de symétrie.
  8. Unité de moulage par pulvérisation suivant l'une quelconque des revendications 5 à 7, caractérisée en ce que l'arête en saillie vers le haut (13) présente une hauteur (H) de 1 à 20 mm, plus particulièrement de 2 à 8 mm et de préférence de 3 à 5 mm.
  9. Unité de moulage par pulvérisation suivant l'une quelconque des revendications 5 à 8, caractérisée en ce que l'arête en saillie vers le haut (13) présente une largeur, mesurée à environ mi-hauteur de celle-ci, d'au moins 0,5 mm, plus particulièrement de 1 à 5 mm et de préférence d'environ 2 à 3 mm.
  10. Unité de moulage par pulvérisation suivant l'une quelconque des revendications 5 à 9, caractérisée en ce que l'arête en saillie vers le haut (13) a un sommet incurvé présentant un rayon de courbure (R1) de préférence égal à environ la moitié de sa largeur.
  11. Unité de moulage par pulvérisation suivant l'une quelconque des revendications 5 à 10, caractérisée en ce qu'elle comprend des moyens (5, 12, 13) pour maintenir le bord (11) du masque (4) à une distance de la surface de moulage (2) lors de la pulvérisation d'une première desdites matières élastomères (7), de façon à éviter un contact entre la couche de la première matière élastomère (7) pulvérisée sur la surface de moulage (2) et le masque (4).
  12. Unité de moulage par pulvérisation suivant la revendication 11, caractérisée en ce que lesdits moyens (5, 12, 13) sont agencés pour maintenir le bord (11) à une distance, mesurée dans la direction de pulvérisation (14), comprise eritre 0,5 et 20 mm de la surface de moulage (2), et plus particulièrement entre 1 et 6 mm de la surface de moulage (2).
  13. Unité de moulage par pulvérisation suivant l'une quelconque des revendications 5 à 12, caractérisée en ce que le bord (11) du masque (4) a une surface supérieure qui forme un angle (α) de 0 à 89° par rapport à un plan parallèle à la surface de moulage (2), plus particulièrement un angle (α) de 10 à 60° et de préférence un angle (α) d'environ 30° par rapport audit plan parallèle.
  14. Unité de moulage par pulvérisation suivant l'une quelconque des revendications 5 à 13, caractérisée en ce que le bord (11) du masque (4) est pourvu d'une arête vive additionnelle (15).
  15. Peau élastomère présentant des parties de surface en au moins deux matières élastomères (7, 9) et réalisée en particulier par le procédé suivant l'une quelconque des revendications 1 à 4, caractérisée en ce que les deux matières élastomères (7, 9) adhèrent l'une à l'autre le long d'une ligne de partage, dont au moins une partie est située dans un évidement externe (23) de la peau élastomère.
EP19940915479 1994-06-01 1994-06-01 Procede et moule pour realiser par pulverisation une peau constituee d'au moins deux elastomeres et peau elastomere obtenue par ce procede Expired - Lifetime EP0804327B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BE1994/000037 WO1995032850A1 (fr) 1994-06-01 1994-06-01 Procede et moule pour realiser par pulverisation une peau constituee d'au moins deux elastomeres et peau elastomere obtenue par ce procede

Publications (2)

Publication Number Publication Date
EP0804327A1 EP0804327A1 (fr) 1997-11-05
EP0804327B1 true EP0804327B1 (fr) 2001-09-19

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EP19940915479 Expired - Lifetime EP0804327B1 (fr) 1994-06-01 1994-06-01 Procede et moule pour realiser par pulverisation une peau constituee d'au moins deux elastomeres et peau elastomere obtenue par ce procede

Country Status (17)

Country Link
US (1) US6071619A (fr)
EP (1) EP0804327B1 (fr)
JP (1) JP3332382B2 (fr)
AT (1) ATE205771T1 (fr)
AU (1) AU700087B2 (fr)
BR (1) BR9408580A (fr)
CA (1) CA2191083C (fr)
DE (1) DE69428377T2 (fr)
EE (1) EE9400315A (fr)
ES (1) ES2163440T3 (fr)
MD (1) MD950276A (fr)
MY (1) MY112910A (fr)
PL (1) PL174284B1 (fr)
PT (1) PT804327E (fr)
RU (1) RU2135357C1 (fr)
TW (1) TW309555B (fr)
WO (1) WO1995032850A1 (fr)

Cited By (2)

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EP3000575A1 (fr) 2014-09-29 2016-03-30 Faurecia Innenraum Systeme GmbH Dispositif pour recouvrir partiellement la surface d'un moule ferromagnétique et procédé de fabrication d'une peau multicolore d'une pièce de garniture de véhicule dans un moule ferromagnétique
EP3009248A1 (fr) 2014-10-13 2016-04-20 RECTICEL Automobilsysteme GmbH Procédé de production d'une peau élastomère ayant une surface grainée
WO2016058983A1 (fr) 2014-10-13 2016-04-21 Recticel Automobilsysteme Gmbh Procédé de production d'une peau élastomère présentant une surface grenue

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JP3332382B2 (ja) 2002-10-07
CA2191083A1 (fr) 1995-12-07
MY112910A (en) 2001-10-31
TW309555B (fr) 1997-07-01
RU2135357C1 (ru) 1999-08-27
PL174284B1 (pl) 1998-07-31
DE69428377D1 (de) 2001-10-25
WO1995032850A1 (fr) 1995-12-07
AU700087B2 (en) 1998-12-24
EE9400315A (et) 1996-04-15
DE69428377T2 (de) 2002-07-04
ES2163440T3 (es) 2002-02-01
ATE205771T1 (de) 2001-10-15
PL317408A1 (en) 1997-04-14
US6071619A (en) 2000-06-06
MD950276A (ro) 1996-03-31
CA2191083C (fr) 2002-08-13
JPH10500366A (ja) 1998-01-13
AU6717994A (en) 1995-12-21
BR9408580A (pt) 1997-05-06
EP0804327A1 (fr) 1997-11-05
PT804327E (pt) 2002-03-28

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